Optical constants of synthetic fayalite, polarization parallel to the b-axis, MIR and FIR
- Title
- Optical constants of synthetic fayalite, polarization parallel to the b-axis, MIR and FIR
- DOI
- 10.26302/SSHADE/EXPERIMENT_SB_20200128_001
- Data reference
- Fabian, Dirk; Henning, Thomas; Jäger, Cornelia; Mutschke, Harald; Dorschner, Johann; Wehrhan, Ortrud (1997): Optical constants in the MIR and FIR for an oriented fayalite crystal parallel to the three crystallographic axes. SSHADE/DOCCD (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_SB_20200128_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- optical constants
- Instrument
- BRUKER 113v – reflection Mid-IR
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- MIR
- Valid spectral range(s)
-
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge #1 400.0 - 5000.0 - Scan number
- 64
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- specular
- Observation mode
- fixed angles
- Incidence angle
- 12.0°
- Emergence angle
- 12.0°
- Resolution illumination
- 6.0°
- Resolution observation
- 6.0°
Illumination
- Type of polarization
- no
Observation
- Type of polarization
- linear
- Type of polarizer
- wire-grid polarizer (KRS5)
- Polarization angle
- 0.0°
- Comments
- parallel to the crystallographic axes of the crystal
- Observation mode
- single spot
- Resolutions
- 2.0 $mm$
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- FIR
- Valid spectral range(s)
-
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge #1 50.0 - 700.0 - Scan number
- 64
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- specular
- Observation mode
- fixed angles
- Incidence angle
- 12.0°
- Emergence angle
- 12.0°
- Resolution illumination
- 6.0°
- Resolution observation
- 6.0°
Illumination
- Type of polarization
- no
Observation
- Type of polarization
- linear
- Type of polarizer
- wire-grid polarizer (PE)
- Polarization angle
- 0.0°
- Comments
- parallel to the crystallographic axes of the crystal
- Observation mode
- single spot
- Resolutions
- 2.0 $mm$
- Name
- Fayalite crystal, surface perpendicular to the a-axis
- Comments
- Crystallographic orientation was realized by the Laue diffraction method
- Experiment
- Optical constants in the MIR and FIR for an oriented fayalite crystal parallel to the three crystallographic axes
- Date begin
- 1997-01-01
- Release date
- 2020-04-20 09:05:18 UTC+0000
- Version (Date)
- #1 (2020-04-20 09:05:18 UTC+0000, Updated: 2020-04-20 09:05:18 UTC+0000)
- History
-
Date Mode Version Status Comments 2020-01-28 07:25:36 UTC+0000 first import #1 valid version first version
- Analysis
- The optical constants in the MIR/FIR were determined by a Lorentzian oscillator fit of the merged reflectance spectra.
- Quality flag
- 4